Word.ws English Dictionary

diffused

diffused is the simple past and past participle of diffuse.

Meaning of diffuse

Verb

diffuse (third-person singular simple present diffuses, present participle diffusing, simple past and past participle diffused)

  1. (transitive) To spread (something) over or through as in air, water, or other matter, especially by fluid motion or passive means.
    • The small window diffuses light throughout the room.
  2. (intransitive) To be spread over or through as in air, water, or other matter, especially by fluid motion or passive means.
    • Food coloring diffuses in water.

See all 4 meanings of diffuse

Adjective

diffused (comparative more diffused, superlative most diffused)

  1. Having spread widely.

Forms of diffused

comparativemore diffused
superlativemost diffused

Words formed from diffused

Questions about diffused

What does diffused mean?
Diffused means having spread widely.
What is diffused the simple past and past participle of?
Diffused is the simple past and past participle of diffuse.
What part of speech is diffused?
Diffused is an adjective.

Words near diffused in the dictionary

  1. diffuse idiopathic skeletal hyperostosis
  2. diffuse large B-cell lymphoma
  3. diffuse large B-cell lymphomas
  4. diffuse parenchymal lung disease
  5. diffuse parenchymal lung diseases
  6. diffused
  7. diffusedly
  8. diffusedness
  9. diffusely
  10. diffuseness
  11. diffusenesses

Source and license

Adapted from Wiktionary: diffused (page history and authors); diffuse (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: en-us-diffused.ogg.

Cite this entry: “diffused.” Word.ws, https://word.ws/diffused. Based on Wiktionary, CC BY-SA 4.0.